Abstract

The definition of health according to the World Health Organization (WHO) is a state of complete physical, mental, and social well-being and does not simply include the absence of disease or infirmity. Mental health is considered an inseparable part of the definition of health, in which mental health is not only the absence of mental disorders, but also includes a state of comfort and confidence. on personal capacity, autonomy, capacity, and the ability to realize one's own potential. Children often experience rapid growth and change during childhood. However, during this period, children are also a vulnerable group and easily influenced by external environmental factors that cause mental health problems. Many mental disorders can begin in childhood. Some common children's mental illnesses include: Anxiety disorders; Disruptive behavior and attention deficit disorders; Eating disorders; Mood disorders... Children with mental illness will affect their physical development, reduce learning efficiency, often have aggressive behavior or withdraw from social relationships. Some diseases also cause children to commit suicide or self-harm... The article aims to assess the situation of children’s mental health. The results show that currently, children in the study population are facing many types of mental illness with different levels from light to seriours mental health problems. Attention deficit hyperactivity disorder is the highest rate among mental health types. The causes of mental illness are quite diverse, including psychological and social causes.